30121301312 has 28 divisors (see below), whose sum is σ = 62917852320. Its totient is φ = 14267984256.

The previous prime is 30121301303. The next prime is 30121301321. The reversal of 30121301312 is 21310312103.

It is an interprime number because it is at equal distance from previous prime (30121301303) and next prime (30121301321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12384188 + ... + 12386619.

Almost surely, 2^30121301312 is an apocalyptic number.

30121301312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30121301312 is an abundant number, since it is smaller than the sum of its proper divisors (32796551008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30121301312 is a wasteful number, since it uses less digits than its factorization.

30121301312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24770838 (or 24770828 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30121301312 its reverse (21310312103), we get a palindrome (51431613415).

The spelling of 30121301312 in words is "thirty billion, one hundred twenty-one million, three hundred one thousand, three hundred twelve".